ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTR............................JDIM350 (Ver 2.1 Jan 2001) 1620000/01111025EUROPEAN PATENT APPLICATIONA320030108EP00128210.220001222EnEnEn3669989919991224JP3669969919991224JP3669979919991224JP3669949919991224JP3669959919991224JP20030108200302200106272001267 7C 09K 11/78 AdePhosphor für Vakuum-Ultraviolettangeregt-LichtemittierendvorrichtungenPhosphor for vacuum ultraviolet excited light emitting devicefrPhosphore pour dispositif sous vide photoluminescent à l'ultravioletSumitomo Chemical Company, Limited00214340E 3025 EP5-33, Kitahama 4-chomeChuo-ku Osaka 541-8550JPToda, Kenji2-12-5, IgarashinakajimaNiigata-shi, NiigataJPOno, Keiji2-13-10-403, AmakuboTsukuba-shi, IbarakiJPMiyazaki, Susumu1622-61, Sakuragaoka, Fujishiro-choKitasoma-gun, IbarakiJPVOSSIUS & PARTNER00100314Siebertstrasse 481675 MünchenDEATBECHCYDEDKESFIFRGBGRIEITLILUMCNLPTSETRALLTLVMKROSI20030108200302

A phosphor for a vacuum ultraviolet excited light emitting device, obtainable by adding Eu or Tb as an activating agent to a substrate comprising a compound represented by the general formula M¹M²M³O₄, wherein M¹ represents at least one elements selected from Na and Li, M² represents at least one elements selected from Gd and Y, and M³ represents at least one elements selected from Ge and Si.